Question about Samsung LE40R74BDX 40 in. LCD Television

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My 40"" tv is not

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3 Answers

Bud Martin

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Posted on Jan 21, 2011

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Lee carey

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Type your model number in eBay eg 42le4500 power board

Posted on Nov 05, 2019

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Abctay.com

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Posted on Nov 05, 2019

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1answer

Was watching TV, heard a slight "pop" noise then TV went dead - no picture or sound. When I hit the power "on" button on remote, the green light blinks for quite a while (around 40...

Count the number of blinks. Now, Google your make and model with the words blink codes added to the end. This will show you links to sites that will tell you what the blink code means and the problem with your set. The blink code is the sets way of telling the service man what is wrong. From the sound of it, you have a bad capacitor.
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Samsung LA40A550 no picture and sound

Power supply board is dead.That the board,the power a/c cord go into it.Replaced the power supply board will solved ur tv power lite LED light indicator blinking and ur tv power will be stable and work again.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
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Power Issue

Now,u plug in the tv u get a solid red standby power red LED light in the front of the LCD panel right?When u push the power button on the remote u hear a clicking sound?Only one clicking sound,not the power supply board problems.It the Tuner board problems.But u can make sure it the power board problems or not.By taking the tv aparts check the power board,that board where the a/c power cord goes into it.Look all around the power supply board check for these leakage capacitors,they alway bulges up it top or puff up it top.No bad leakage capacitors,then it not the power supply board problems.
1helpful
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No picture only got sound been told it could be

It will more likely to be bad backlight inverter board, or the inverter board is not getting the 24vdc from the power supply module.
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Green power light on no sound or picture cycles

MAYBE INVERTER BOARD BAD..
INVERTER BOARD IS A PART OF THE LCD PANEL UNIT
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Polaroid 4011-tlxb. Power to tv and it was turning from red to green light when you press power button but no picture. Pressing any buttons on tv or remote and nothing was happening. Replaced power supply...

if you replaced the supply board then there is issues with the decoder board as you would need to chec kthat and see if its not the issue.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

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Tv wom't switch on

Replace capacitors on power board.
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Red light flashes on power switch, but no picture or sound on tv

tv will not power on. red light on switch blinks. power relay clicks, but no picture or sound.
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